Heat stabilized polyalkylene terephthalate resin composition

Details Heat stabilized polyalkylene terephthalate resin composition Heat stabilized polyalkylene terephthalate resin composition

1975-06-09

1977-02-15

Czaja, Donald E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 4595D, 260857PE, 260860, C08K 340

Patent

active

040081990

ABSTRACT:
The long term heat stabilized polyalkylene terephthalate resin composition comprises a polyalkylene terephthalate resin selected from the group consisting of polypropylene terephthalate and polybutylene terephthalate, 2 to 60 percent of the total composition of a reinforcing filler and stabilizing amounts of the combination of polyamide polymer, phenoxy resin and an organic phosphonate. The composition retains a higher degree of tensile strength after high temperature long-term aging than does any polyalkylene terephthalate composition of the prior art.

REFERENCES:
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patent: 3329740 (1967-07-01), Battersby
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patent: 3480569 (1969-11-01), Chappelear et al.
patent: 3480695 (1969-11-01), Hale
patent: 3644279 (1972-02-01), Mathis et al.
patent: 3790648 (1974-02-01), Schmidt et al.
patent: 3814725 (1974-06-01), Zimmerman et al.
patent: 3903042 (1975-09-01), Gall
patent: 3920602 (1975-11-01), Freed

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